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《信号与系统》第九章习.pptx

发布:2025-06-02约4.79千字共10页下载文档
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Homework:1STEP1STEP2STEP3STEP49.59.79.89.99.21(a,b,i,j)22(a,b,c,d)9.289.329.339.359.45

Chapter9ProblemSolution9.2Considerthesignal(a)Evaluate(b)

9.5ForeachofthefollowingalgebraicexpressionsfortheLaplacetransformofasignal,determinethenumberofzeroslocatedinthefinites-planeandthenumberofzeroslocatedatinfinity:Chapter9ProblemSolution1,20,11,0

Chapter9ProblemSolution9.7HowmanysignalshaveaLaplacetransformthatmaybeexpressedasinitsregionofconvergence?Poles:Therearefoursignals.

Chapter9ProblemSolution9.8LetbeasignalthathasarationalLaplacetransformwithexactlytwopoles,locatedats=-1ands=-3.Ifandconvergence,determinewhetherisleftsided,rightsided,ortwosided.convergenceistwosided.

Chapter9ProblemSolution9.9DeterminetheinverseLaplacetransformof

Chapter9ProblemSolution9.13Let,whereandDeterminethevaluesoftheconstantsαandβ.

Chapter9ProblemSolution9.21DeterminetheLaplacetransform.

Chapter9ProblemSolution

Chapter9ProblemSolution9.22Determinethefunctionoftime,

Chapter9ProblemSolution

12④③②①Chapter9ProblemSo

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